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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * w83792d.c - Part of lm_sensors, Linux kernel modules for hardware4 * monitoring5 * Copyright (C) 2004, 2005 Winbond Electronics Corp.6 * Shane Huang,7 * Rudolf Marek <r.marek@assembler.cz>8 *9 * Note:10 * 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.11 * 2. This driver is only for Winbond W83792D C version device, there12 * are also some motherboards with B version W83792D device. The13 * calculation method to in6-in7(measured value, limits) is a little14 * different between C and B version. C or B version can be identified15 * by CR[0x49h].16 */17 18/*19 * Supports following chips:20 *21 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA22 * w83792d 9 7 7 3 0x7a 0x5ca3 yes no23 */24 25#include <linux/module.h>26#include <linux/init.h>27#include <linux/slab.h>28#include <linux/i2c.h>29#include <linux/hwmon.h>30#include <linux/hwmon-sysfs.h>31#include <linux/err.h>32#include <linux/mutex.h>33#include <linux/sysfs.h>34#include <linux/jiffies.h>35 36/* Addresses to scan */37static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,38 I2C_CLIENT_END };39 40/* Insmod parameters */41 42static unsigned short force_subclients[4];43module_param_array(force_subclients, short, NULL, 0);44MODULE_PARM_DESC(force_subclients,45 "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}");46 47static bool init;48module_param(init, bool, 0);49MODULE_PARM_DESC(init, "Set to one to force chip initialization");50 51/* The W83792D registers */52static const u8 W83792D_REG_IN[9] = {53 0x20, /* Vcore A in DataSheet */54 0x21, /* Vcore B in DataSheet */55 0x22, /* VIN0 in DataSheet */56 0x23, /* VIN1 in DataSheet */57 0x24, /* VIN2 in DataSheet */58 0x25, /* VIN3 in DataSheet */59 0x26, /* 5VCC in DataSheet */60 0xB0, /* 5VSB in DataSheet */61 0xB1 /* VBAT in DataSheet */62};63#define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */64#define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */65static const u8 W83792D_REG_IN_MAX[9] = {66 0x2B, /* Vcore A High Limit in DataSheet */67 0x2D, /* Vcore B High Limit in DataSheet */68 0x2F, /* VIN0 High Limit in DataSheet */69 0x31, /* VIN1 High Limit in DataSheet */70 0x33, /* VIN2 High Limit in DataSheet */71 0x35, /* VIN3 High Limit in DataSheet */72 0x37, /* 5VCC High Limit in DataSheet */73 0xB4, /* 5VSB High Limit in DataSheet */74 0xB6 /* VBAT High Limit in DataSheet */75};76static const u8 W83792D_REG_IN_MIN[9] = {77 0x2C, /* Vcore A Low Limit in DataSheet */78 0x2E, /* Vcore B Low Limit in DataSheet */79 0x30, /* VIN0 Low Limit in DataSheet */80 0x32, /* VIN1 Low Limit in DataSheet */81 0x34, /* VIN2 Low Limit in DataSheet */82 0x36, /* VIN3 Low Limit in DataSheet */83 0x38, /* 5VCC Low Limit in DataSheet */84 0xB5, /* 5VSB Low Limit in DataSheet */85 0xB7 /* VBAT Low Limit in DataSheet */86};87static const u8 W83792D_REG_FAN[7] = {88 0x28, /* FAN 1 Count in DataSheet */89 0x29, /* FAN 2 Count in DataSheet */90 0x2A, /* FAN 3 Count in DataSheet */91 0xB8, /* FAN 4 Count in DataSheet */92 0xB9, /* FAN 5 Count in DataSheet */93 0xBA, /* FAN 6 Count in DataSheet */94 0xBE /* FAN 7 Count in DataSheet */95};96static const u8 W83792D_REG_FAN_MIN[7] = {97 0x3B, /* FAN 1 Count Low Limit in DataSheet */98 0x3C, /* FAN 2 Count Low Limit in DataSheet */99 0x3D, /* FAN 3 Count Low Limit in DataSheet */100 0xBB, /* FAN 4 Count Low Limit in DataSheet */101 0xBC, /* FAN 5 Count Low Limit in DataSheet */102 0xBD, /* FAN 6 Count Low Limit in DataSheet */103 0xBF /* FAN 7 Count Low Limit in DataSheet */104};105#define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */106static const u8 W83792D_REG_FAN_DIV[4] = {107 0x47, /* contains FAN2 and FAN1 Divisor */108 0x5B, /* contains FAN4 and FAN3 Divisor */109 0x5C, /* contains FAN6 and FAN5 Divisor */110 0x9E /* contains FAN7 Divisor. */111};112static const u8 W83792D_REG_PWM[7] = {113 0x81, /* FAN 1 Duty Cycle, be used to control */114 0x83, /* FAN 2 Duty Cycle, be used to control */115 0x94, /* FAN 3 Duty Cycle, be used to control */116 0xA3, /* FAN 4 Duty Cycle, be used to control */117 0xA4, /* FAN 5 Duty Cycle, be used to control */118 0xA5, /* FAN 6 Duty Cycle, be used to control */119 0xA6 /* FAN 7 Duty Cycle, be used to control */120};121#define W83792D_REG_BANK 0x4E122#define W83792D_REG_TEMP2_CONFIG 0xC2123#define W83792D_REG_TEMP3_CONFIG 0xCA124 125static const u8 W83792D_REG_TEMP1[3] = {126 0x27, /* TEMP 1 in DataSheet */127 0x39, /* TEMP 1 Over in DataSheet */128 0x3A, /* TEMP 1 Hyst in DataSheet */129};130 131static const u8 W83792D_REG_TEMP_ADD[2][6] = {132 { 0xC0, /* TEMP 2 in DataSheet */133 0xC1, /* TEMP 2(0.5 deg) in DataSheet */134 0xC5, /* TEMP 2 Over High part in DataSheet */135 0xC6, /* TEMP 2 Over Low part in DataSheet */136 0xC3, /* TEMP 2 Thyst High part in DataSheet */137 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */138 { 0xC8, /* TEMP 3 in DataSheet */139 0xC9, /* TEMP 3(0.5 deg) in DataSheet */140 0xCD, /* TEMP 3 Over High part in DataSheet */141 0xCE, /* TEMP 3 Over Low part in DataSheet */142 0xCB, /* TEMP 3 Thyst High part in DataSheet */143 0xCC } /* TEMP 3 Thyst Low part in DataSheet */144};145 146static const u8 W83792D_REG_THERMAL[3] = {147 0x85, /* SmartFanI: Fan1 target value */148 0x86, /* SmartFanI: Fan2 target value */149 0x96 /* SmartFanI: Fan3 target value */150};151 152static const u8 W83792D_REG_TOLERANCE[3] = {153 0x87, /* (bit3-0)SmartFan Fan1 tolerance */154 0x87, /* (bit7-4)SmartFan Fan2 tolerance */155 0x97 /* (bit3-0)SmartFan Fan3 tolerance */156};157 158static const u8 W83792D_REG_POINTS[3][4] = {159 { 0x85, /* SmartFanII: Fan1 temp point 1 */160 0xE3, /* SmartFanII: Fan1 temp point 2 */161 0xE4, /* SmartFanII: Fan1 temp point 3 */162 0xE5 }, /* SmartFanII: Fan1 temp point 4 */163 { 0x86, /* SmartFanII: Fan2 temp point 1 */164 0xE6, /* SmartFanII: Fan2 temp point 2 */165 0xE7, /* SmartFanII: Fan2 temp point 3 */166 0xE8 }, /* SmartFanII: Fan2 temp point 4 */167 { 0x96, /* SmartFanII: Fan3 temp point 1 */168 0xE9, /* SmartFanII: Fan3 temp point 2 */169 0xEA, /* SmartFanII: Fan3 temp point 3 */170 0xEB } /* SmartFanII: Fan3 temp point 4 */171};172 173static const u8 W83792D_REG_LEVELS[3][4] = {174 { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */175 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */176 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */177 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */178 { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */179 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */180 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */181 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */182 { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */183 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */184 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */185 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */186};187 188#define W83792D_REG_GPIO_EN 0x1A189#define W83792D_REG_CONFIG 0x40190#define W83792D_REG_VID_FANDIV 0x47191#define W83792D_REG_CHIPID 0x49192#define W83792D_REG_WCHIPID 0x58193#define W83792D_REG_CHIPMAN 0x4F194#define W83792D_REG_PIN 0x4B195#define W83792D_REG_I2C_SUBADDR 0x4A196 197#define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */198#define W83792D_REG_ALARM2 0xAA /* realtime status register2 */199#define W83792D_REG_ALARM3 0xAB /* realtime status register3 */200#define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */201#define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */202 203/* control in0/in1 's limit modifiability */204#define W83792D_REG_VID_IN_B 0x17205 206#define W83792D_REG_VBAT 0x5D207#define W83792D_REG_I2C_ADDR 0x48208 209/*210 * Conversions. Rounding and limit checking is only done on the TO_REG211 * variants. Note that you should be a bit careful with which arguments212 * these macros are called: arguments may be evaluated more than once.213 * Fixing this is just not worth it.214 */215#define IN_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \216 ((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4)))217#define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \218 ((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4)))219 220static inline u8221FAN_TO_REG(long rpm, int div)222{223 if (rpm == 0)224 return 255;225 rpm = clamp_val(rpm, 1, 1000000);226 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);227}228 229#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \230 ((val) == 255 ? 0 : \231 1350000 / ((val) * (div))))232 233/* for temp1 */234#define TEMP1_TO_REG(val) (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 \235 : (val)) / 1000, 0, 0xff))236#define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)237/* for temp2 and temp3, because they need additional resolution */238#define TEMP_ADD_FROM_REG(val1, val2) \239 ((((val1) & 0x80 ? (val1)-0x100 \240 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0))241#define TEMP_ADD_TO_REG_HIGH(val) \242 (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 : (val)) / 1000, 0, 0xff))243#define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00)244 245#define DIV_FROM_REG(val) (1 << (val))246 247static inline u8248DIV_TO_REG(long val)249{250 int i;251 val = clamp_val(val, 1, 128) >> 1;252 for (i = 0; i < 7; i++) {253 if (val == 0)254 break;255 val >>= 1;256 }257 return (u8)i;258}259 260struct w83792d_data {261 struct device *hwmon_dev;262 263 struct mutex update_lock;264 bool valid; /* true if following fields are valid */265 unsigned long last_updated; /* In jiffies */266 267 u8 in[9]; /* Register value */268 u8 in_max[9]; /* Register value */269 u8 in_min[9]; /* Register value */270 u16 low_bits; /* Additional resolution to voltage in6-0 */271 u8 fan[7]; /* Register value */272 u8 fan_min[7]; /* Register value */273 u8 temp1[3]; /* current, over, thyst */274 u8 temp_add[2][6]; /* Register value */275 u8 fan_div[7]; /* Register encoding, shifted right */276 u8 pwm[7]; /* The 7 PWM outputs */277 u8 pwmenable[3];278 u32 alarms; /* realtime status register encoding,combined */279 u8 chassis; /* Chassis status */280 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */281 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */282 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */283 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */284};285 286static int w83792d_probe(struct i2c_client *client);287static int w83792d_detect(struct i2c_client *client,288 struct i2c_board_info *info);289static void w83792d_remove(struct i2c_client *client);290static struct w83792d_data *w83792d_update_device(struct device *dev);291 292#ifdef DEBUG293static void w83792d_print_debug(struct w83792d_data *data, struct device *dev);294#endif295 296static void w83792d_init_client(struct i2c_client *client);297 298static const struct i2c_device_id w83792d_id[] = {299 { "w83792d" },300 { }301};302MODULE_DEVICE_TABLE(i2c, w83792d_id);303 304static struct i2c_driver w83792d_driver = {305 .class = I2C_CLASS_HWMON,306 .driver = {307 .name = "w83792d",308 },309 .probe = w83792d_probe,310 .remove = w83792d_remove,311 .id_table = w83792d_id,312 .detect = w83792d_detect,313 .address_list = normal_i2c,314};315 316static inline long in_count_from_reg(int nr, struct w83792d_data *data)317{318 /* in7 and in8 do not have low bits, but the formula still works */319 return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03);320}321 322/*323 * The SMBus locks itself. The Winbond W83792D chip has a bank register,324 * but the driver only accesses registers in bank 0, so we don't have325 * to switch banks and lock access between switches.326 */327static inline int w83792d_read_value(struct i2c_client *client, u8 reg)328{329 return i2c_smbus_read_byte_data(client, reg);330}331 332static inline int333w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)334{335 return i2c_smbus_write_byte_data(client, reg, value);336}337 338/* following are the sysfs callback functions */339static ssize_t show_in(struct device *dev, struct device_attribute *attr,340 char *buf)341{342 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);343 int nr = sensor_attr->index;344 struct w83792d_data *data = w83792d_update_device(dev);345 return sprintf(buf, "%ld\n",346 IN_FROM_REG(nr, in_count_from_reg(nr, data)));347}348 349#define show_in_reg(reg) \350static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \351 char *buf) \352{ \353 struct sensor_device_attribute *sensor_attr \354 = to_sensor_dev_attr(attr); \355 int nr = sensor_attr->index; \356 struct w83792d_data *data = w83792d_update_device(dev); \357 return sprintf(buf, "%ld\n", \358 (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \359}360 361show_in_reg(in_min);362show_in_reg(in_max);363 364#define store_in_reg(REG, reg) \365static ssize_t store_in_##reg(struct device *dev, \366 struct device_attribute *attr, \367 const char *buf, size_t count) \368{ \369 struct sensor_device_attribute *sensor_attr \370 = to_sensor_dev_attr(attr); \371 int nr = sensor_attr->index; \372 struct i2c_client *client = to_i2c_client(dev); \373 struct w83792d_data *data = i2c_get_clientdata(client); \374 unsigned long val; \375 int err = kstrtoul(buf, 10, &val); \376 if (err) \377 return err; \378 mutex_lock(&data->update_lock); \379 data->in_##reg[nr] = clamp_val(IN_TO_REG(nr, val) / 4, 0, 255); \380 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \381 data->in_##reg[nr]); \382 mutex_unlock(&data->update_lock); \383 \384 return count; \385}386store_in_reg(MIN, min);387store_in_reg(MAX, max);388 389#define show_fan_reg(reg) \390static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \391 char *buf) \392{ \393 struct sensor_device_attribute *sensor_attr \394 = to_sensor_dev_attr(attr); \395 int nr = sensor_attr->index - 1; \396 struct w83792d_data *data = w83792d_update_device(dev); \397 return sprintf(buf, "%d\n", \398 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \399}400 401show_fan_reg(fan);402show_fan_reg(fan_min);403 404static ssize_t405store_fan_min(struct device *dev, struct device_attribute *attr,406 const char *buf, size_t count)407{408 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);409 int nr = sensor_attr->index - 1;410 struct i2c_client *client = to_i2c_client(dev);411 struct w83792d_data *data = i2c_get_clientdata(client);412 unsigned long val;413 int err;414 415 err = kstrtoul(buf, 10, &val);416 if (err)417 return err;418 419 mutex_lock(&data->update_lock);420 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));421 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],422 data->fan_min[nr]);423 mutex_unlock(&data->update_lock);424 425 return count;426}427 428static ssize_t429show_fan_div(struct device *dev, struct device_attribute *attr,430 char *buf)431{432 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);433 int nr = sensor_attr->index;434 struct w83792d_data *data = w83792d_update_device(dev);435 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));436}437 438/*439 * Note: we save and restore the fan minimum here, because its value is440 * determined in part by the fan divisor. This follows the principle of441 * least surprise; the user doesn't expect the fan minimum to change just442 * because the divisor changed.443 */444static ssize_t445store_fan_div(struct device *dev, struct device_attribute *attr,446 const char *buf, size_t count)447{448 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);449 int nr = sensor_attr->index - 1;450 struct i2c_client *client = to_i2c_client(dev);451 struct w83792d_data *data = i2c_get_clientdata(client);452 unsigned long min;453 /*u8 reg;*/454 u8 fan_div_reg = 0;455 u8 tmp_fan_div;456 unsigned long val;457 int err;458 459 err = kstrtoul(buf, 10, &val);460 if (err)461 return err;462 463 /* Save fan_min */464 mutex_lock(&data->update_lock);465 min = FAN_FROM_REG(data->fan_min[nr],466 DIV_FROM_REG(data->fan_div[nr]));467 468 data->fan_div[nr] = DIV_TO_REG(val);469 470 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);471 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;472 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70)473 : ((data->fan_div[nr]) & 0x07);474 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1],475 fan_div_reg | tmp_fan_div);476 477 /* Restore fan_min */478 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));479 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]);480 mutex_unlock(&data->update_lock);481 482 return count;483}484 485/* read/write the temperature1, includes measured value and limits */486 487static ssize_t show_temp1(struct device *dev, struct device_attribute *attr,488 char *buf)489{490 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);491 int nr = sensor_attr->index;492 struct w83792d_data *data = w83792d_update_device(dev);493 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr]));494}495 496static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,497 const char *buf, size_t count)498{499 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);500 int nr = sensor_attr->index;501 struct i2c_client *client = to_i2c_client(dev);502 struct w83792d_data *data = i2c_get_clientdata(client);503 long val;504 int err;505 506 err = kstrtol(buf, 10, &val);507 if (err)508 return err;509 510 mutex_lock(&data->update_lock);511 data->temp1[nr] = TEMP1_TO_REG(val);512 w83792d_write_value(client, W83792D_REG_TEMP1[nr],513 data->temp1[nr]);514 mutex_unlock(&data->update_lock);515 516 return count;517}518 519/* read/write the temperature2-3, includes measured value and limits */520 521static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,522 char *buf)523{524 struct sensor_device_attribute_2 *sensor_attr525 = to_sensor_dev_attr_2(attr);526 int nr = sensor_attr->nr;527 int index = sensor_attr->index;528 struct w83792d_data *data = w83792d_update_device(dev);529 return sprintf(buf, "%ld\n",530 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],531 data->temp_add[nr][index+1]));532}533 534static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,535 const char *buf, size_t count)536{537 struct sensor_device_attribute_2 *sensor_attr538 = to_sensor_dev_attr_2(attr);539 int nr = sensor_attr->nr;540 int index = sensor_attr->index;541 struct i2c_client *client = to_i2c_client(dev);542 struct w83792d_data *data = i2c_get_clientdata(client);543 long val;544 int err;545 546 err = kstrtol(buf, 10, &val);547 if (err)548 return err;549 550 mutex_lock(&data->update_lock);551 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);552 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);553 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index],554 data->temp_add[nr][index]);555 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1],556 data->temp_add[nr][index+1]);557 mutex_unlock(&data->update_lock);558 559 return count;560}561 562/* get realtime status of all sensors items: voltage, temp, fan */563static ssize_t564alarms_show(struct device *dev, struct device_attribute *attr, char *buf)565{566 struct w83792d_data *data = w83792d_update_device(dev);567 return sprintf(buf, "%d\n", data->alarms);568}569 570static ssize_t show_alarm(struct device *dev,571 struct device_attribute *attr, char *buf)572{573 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);574 int nr = sensor_attr->index;575 struct w83792d_data *data = w83792d_update_device(dev);576 return sprintf(buf, "%d\n", (data->alarms >> nr) & 1);577}578 579static ssize_t580show_pwm(struct device *dev, struct device_attribute *attr,581 char *buf)582{583 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);584 int nr = sensor_attr->index;585 struct w83792d_data *data = w83792d_update_device(dev);586 return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4);587}588 589static ssize_t590show_pwmenable(struct device *dev, struct device_attribute *attr,591 char *buf)592{593 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);594 int nr = sensor_attr->index - 1;595 struct w83792d_data *data = w83792d_update_device(dev);596 long pwm_enable_tmp = 1;597 598 switch (data->pwmenable[nr]) {599 case 0:600 pwm_enable_tmp = 1; /* manual mode */601 break;602 case 1:603 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */604 break;605 case 2:606 pwm_enable_tmp = 2; /* Smart Fan II */607 break;608 }609 610 return sprintf(buf, "%ld\n", pwm_enable_tmp);611}612 613static ssize_t614store_pwm(struct device *dev, struct device_attribute *attr,615 const char *buf, size_t count)616{617 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);618 int nr = sensor_attr->index;619 struct i2c_client *client = to_i2c_client(dev);620 struct w83792d_data *data = i2c_get_clientdata(client);621 unsigned long val;622 int err;623 624 err = kstrtoul(buf, 10, &val);625 if (err)626 return err;627 val = clamp_val(val, 0, 255) >> 4;628 629 mutex_lock(&data->update_lock);630 val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0;631 data->pwm[nr] = val;632 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);633 mutex_unlock(&data->update_lock);634 635 return count;636}637 638static ssize_t639store_pwmenable(struct device *dev, struct device_attribute *attr,640 const char *buf, size_t count)641{642 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);643 int nr = sensor_attr->index - 1;644 struct i2c_client *client = to_i2c_client(dev);645 struct w83792d_data *data = i2c_get_clientdata(client);646 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;647 unsigned long val;648 int err;649 650 err = kstrtoul(buf, 10, &val);651 if (err)652 return err;653 654 if (val < 1 || val > 3)655 return -EINVAL;656 657 mutex_lock(&data->update_lock);658 switch (val) {659 case 1:660 data->pwmenable[nr] = 0; /* manual mode */661 break;662 case 2:663 data->pwmenable[nr] = 2; /* Smart Fan II */664 break;665 case 3:666 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */667 break;668 }669 cfg1_tmp = data->pwmenable[0];670 cfg2_tmp = (data->pwmenable[1]) << 2;671 cfg3_tmp = (data->pwmenable[2]) << 4;672 cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0;673 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;674 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);675 mutex_unlock(&data->update_lock);676 677 return count;678}679 680static ssize_t681show_pwm_mode(struct device *dev, struct device_attribute *attr,682 char *buf)683{684 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);685 int nr = sensor_attr->index;686 struct w83792d_data *data = w83792d_update_device(dev);687 return sprintf(buf, "%d\n", data->pwm[nr] >> 7);688}689 690static ssize_t691store_pwm_mode(struct device *dev, struct device_attribute *attr,692 const char *buf, size_t count)693{694 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);695 int nr = sensor_attr->index;696 struct i2c_client *client = to_i2c_client(dev);697 struct w83792d_data *data = i2c_get_clientdata(client);698 unsigned long val;699 int err;700 701 err = kstrtoul(buf, 10, &val);702 if (err)703 return err;704 if (val > 1)705 return -EINVAL;706 707 mutex_lock(&data->update_lock);708 data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]);709 if (val) { /* PWM mode */710 data->pwm[nr] |= 0x80;711 } else { /* DC mode */712 data->pwm[nr] &= 0x7f;713 }714 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);715 mutex_unlock(&data->update_lock);716 717 return count;718}719 720static ssize_t721intrusion0_alarm_show(struct device *dev, struct device_attribute *attr,722 char *buf)723{724 struct w83792d_data *data = w83792d_update_device(dev);725 return sprintf(buf, "%d\n", data->chassis);726}727 728static ssize_t729intrusion0_alarm_store(struct device *dev, struct device_attribute *attr,730 const char *buf, size_t count)731{732 struct i2c_client *client = to_i2c_client(dev);733 struct w83792d_data *data = i2c_get_clientdata(client);734 unsigned long val;735 u8 reg;736 737 if (kstrtoul(buf, 10, &val) || val != 0)738 return -EINVAL;739 740 mutex_lock(&data->update_lock);741 reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR);742 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80);743 data->valid = false; /* Force cache refresh */744 mutex_unlock(&data->update_lock);745 746 return count;747}748 749/* For Smart Fan I / Thermal Cruise */750static ssize_t751show_thermal_cruise(struct device *dev, struct device_attribute *attr,752 char *buf)753{754 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);755 int nr = sensor_attr->index;756 struct w83792d_data *data = w83792d_update_device(dev);757 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]);758}759 760static ssize_t761store_thermal_cruise(struct device *dev, struct device_attribute *attr,762 const char *buf, size_t count)763{764 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);765 int nr = sensor_attr->index - 1;766 struct i2c_client *client = to_i2c_client(dev);767 struct w83792d_data *data = i2c_get_clientdata(client);768 u8 target_tmp = 0, target_mask = 0;769 unsigned long val;770 int err;771 772 err = kstrtoul(buf, 10, &val);773 if (err)774 return err;775 776 target_tmp = val;777 target_tmp = target_tmp & 0x7f;778 mutex_lock(&data->update_lock);779 target_mask = w83792d_read_value(client,780 W83792D_REG_THERMAL[nr]) & 0x80;781 data->thermal_cruise[nr] = clamp_val(target_tmp, 0, 255);782 w83792d_write_value(client, W83792D_REG_THERMAL[nr],783 (data->thermal_cruise[nr]) | target_mask);784 mutex_unlock(&data->update_lock);785 786 return count;787}788 789/* For Smart Fan I/Thermal Cruise and Smart Fan II */790static ssize_t791show_tolerance(struct device *dev, struct device_attribute *attr,792 char *buf)793{794 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);795 int nr = sensor_attr->index;796 struct w83792d_data *data = w83792d_update_device(dev);797 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]);798}799 800static ssize_t801store_tolerance(struct device *dev, struct device_attribute *attr,802 const char *buf, size_t count)803{804 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);805 int nr = sensor_attr->index - 1;806 struct i2c_client *client = to_i2c_client(dev);807 struct w83792d_data *data = i2c_get_clientdata(client);808 u8 tol_tmp, tol_mask;809 unsigned long val;810 int err;811 812 err = kstrtoul(buf, 10, &val);813 if (err)814 return err;815 816 mutex_lock(&data->update_lock);817 tol_mask = w83792d_read_value(client,818 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);819 tol_tmp = clamp_val(val, 0, 15);820 tol_tmp &= 0x0f;821 data->tolerance[nr] = tol_tmp;822 if (nr == 1)823 tol_tmp <<= 4;824 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],825 tol_mask | tol_tmp);826 mutex_unlock(&data->update_lock);827 828 return count;829}830 831/* For Smart Fan II */832static ssize_t833show_sf2_point(struct device *dev, struct device_attribute *attr,834 char *buf)835{836 struct sensor_device_attribute_2 *sensor_attr837 = to_sensor_dev_attr_2(attr);838 int nr = sensor_attr->nr;839 int index = sensor_attr->index;840 struct w83792d_data *data = w83792d_update_device(dev);841 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]);842}843 844static ssize_t845store_sf2_point(struct device *dev, struct device_attribute *attr,846 const char *buf, size_t count)847{848 struct sensor_device_attribute_2 *sensor_attr849 = to_sensor_dev_attr_2(attr);850 int nr = sensor_attr->nr - 1;851 int index = sensor_attr->index - 1;852 struct i2c_client *client = to_i2c_client(dev);853 struct w83792d_data *data = i2c_get_clientdata(client);854 u8 mask_tmp = 0;855 unsigned long val;856 int err;857 858 err = kstrtoul(buf, 10, &val);859 if (err)860 return err;861 862 mutex_lock(&data->update_lock);863 data->sf2_points[index][nr] = clamp_val(val, 0, 127);864 mask_tmp = w83792d_read_value(client,865 W83792D_REG_POINTS[index][nr]) & 0x80;866 w83792d_write_value(client, W83792D_REG_POINTS[index][nr],867 mask_tmp|data->sf2_points[index][nr]);868 mutex_unlock(&data->update_lock);869 870 return count;871}872 873static ssize_t874show_sf2_level(struct device *dev, struct device_attribute *attr,875 char *buf)876{877 struct sensor_device_attribute_2 *sensor_attr878 = to_sensor_dev_attr_2(attr);879 int nr = sensor_attr->nr;880 int index = sensor_attr->index;881 struct w83792d_data *data = w83792d_update_device(dev);882 return sprintf(buf, "%d\n",883 (((data->sf2_levels[index-1][nr]) * 100) / 15));884}885 886static ssize_t887store_sf2_level(struct device *dev, struct device_attribute *attr,888 const char *buf, size_t count)889{890 struct sensor_device_attribute_2 *sensor_attr891 = to_sensor_dev_attr_2(attr);892 int nr = sensor_attr->nr;893 int index = sensor_attr->index - 1;894 struct i2c_client *client = to_i2c_client(dev);895 struct w83792d_data *data = i2c_get_clientdata(client);896 u8 mask_tmp = 0, level_tmp = 0;897 unsigned long val;898 int err;899 900 err = kstrtoul(buf, 10, &val);901 if (err)902 return err;903 904 mutex_lock(&data->update_lock);905 data->sf2_levels[index][nr] = clamp_val((val * 15) / 100, 0, 15);906 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])907 & ((nr == 3) ? 0xf0 : 0x0f);908 if (nr == 3)909 level_tmp = data->sf2_levels[index][nr];910 else911 level_tmp = data->sf2_levels[index][nr] << 4;912 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr],913 level_tmp | mask_tmp);914 mutex_unlock(&data->update_lock);915 916 return count;917}918 919 920static int921w83792d_detect_subclients(struct i2c_client *new_client)922{923 int i, id;924 int address = new_client->addr;925 u8 val;926 struct i2c_adapter *adapter = new_client->adapter;927 928 id = i2c_adapter_id(adapter);929 if (force_subclients[0] == id && force_subclients[1] == address) {930 for (i = 2; i <= 3; i++) {931 if (force_subclients[i] < 0x48 ||932 force_subclients[i] > 0x4f) {933 dev_err(&new_client->dev,934 "invalid subclient address %d; must be 0x48-0x4f\n",935 force_subclients[i]);936 return -ENODEV;937 }938 }939 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR,940 (force_subclients[2] & 0x07) |941 ((force_subclients[3] & 0x07) << 4));942 }943 944 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);945 946 if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) {947 dev_err(&new_client->dev,948 "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7));949 return -ENODEV;950 }951 952 if (!(val & 0x08))953 devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + (val & 0x7));954 955 if (!(val & 0x80))956 devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + ((val >> 4) & 0x7));957 958 return 0;959}960 961static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0);962static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);963static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);964static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);965static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);966static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);967static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);968static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);969static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);970static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO,971 show_in_min, store_in_min, 0);972static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,973 show_in_min, store_in_min, 1);974static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,975 show_in_min, store_in_min, 2);976static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,977 show_in_min, store_in_min, 3);978static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,979 show_in_min, store_in_min, 4);980static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,981 show_in_min, store_in_min, 5);982static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,983 show_in_min, store_in_min, 6);984static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,985 show_in_min, store_in_min, 7);986static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,987 show_in_min, store_in_min, 8);988static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO,989 show_in_max, store_in_max, 0);990static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,991 show_in_max, store_in_max, 1);992static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,993 show_in_max, store_in_max, 2);994static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,995 show_in_max, store_in_max, 3);996static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,997 show_in_max, store_in_max, 4);998static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,999 show_in_max, store_in_max, 5);1000static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,1001 show_in_max, store_in_max, 6);1002static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,1003 show_in_max, store_in_max, 7);1004static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,1005 show_in_max, store_in_max, 8);1006static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0);1007static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0);1008static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0);1009static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR,1010 show_temp1, store_temp1, 0, 1);1011static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23,1012 store_temp23, 0, 2);1013static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23,1014 store_temp23, 1, 2);1015static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR,1016 show_temp1, store_temp1, 0, 2);1017static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR,1018 show_temp23, store_temp23, 0, 4);1019static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR,1020 show_temp23, store_temp23, 1, 4);1021static DEVICE_ATTR_RO(alarms);1022static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);1023static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);1024static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2);1025static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3);1026static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4);1027static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5);1028static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6);1029static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7);1030static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8);1031static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9);1032static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10);1033static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11);1034static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12);1035static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15);1036static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19);1037static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20);1038static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21);1039static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22);1040static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23);1041static DEVICE_ATTR_RW(intrusion0_alarm);1042static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);1043static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);1044static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2);1045static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3);1046static SENSOR_DEVICE_ATTR(pwm5, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4);1047static SENSOR_DEVICE_ATTR(pwm6, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 5);1048static SENSOR_DEVICE_ATTR(pwm7, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 6);1049static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,1050 show_pwmenable, store_pwmenable, 1);1051static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,1052 show_pwmenable, store_pwmenable, 2);1053static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,1054 show_pwmenable, store_pwmenable, 3);1055static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO,1056 show_pwm_mode, store_pwm_mode, 0);1057static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO,1058 show_pwm_mode, store_pwm_mode, 1);1059static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO,1060 show_pwm_mode, store_pwm_mode, 2);1061static SENSOR_DEVICE_ATTR(pwm4_mode, S_IWUSR | S_IRUGO,1062 show_pwm_mode, store_pwm_mode, 3);1063static SENSOR_DEVICE_ATTR(pwm5_mode, S_IWUSR | S_IRUGO,1064 show_pwm_mode, store_pwm_mode, 4);1065static SENSOR_DEVICE_ATTR(pwm6_mode, S_IWUSR | S_IRUGO,1066 show_pwm_mode, store_pwm_mode, 5);1067static SENSOR_DEVICE_ATTR(pwm7_mode, S_IWUSR | S_IRUGO,1068 show_pwm_mode, store_pwm_mode, 6);1069static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO,1070 show_tolerance, store_tolerance, 1);1071static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO,1072 show_tolerance, store_tolerance, 2);1073static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO,1074 show_tolerance, store_tolerance, 3);1075static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO,1076 show_thermal_cruise, store_thermal_cruise, 1);1077static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO,1078 show_thermal_cruise, store_thermal_cruise, 2);1079static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO,1080 show_thermal_cruise, store_thermal_cruise, 3);1081static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR,1082 show_sf2_point, store_sf2_point, 1, 1);1083static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR,1084 show_sf2_point, store_sf2_point, 2, 1);1085static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR,1086 show_sf2_point, store_sf2_point, 3, 1);1087static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR,1088 show_sf2_point, store_sf2_point, 4, 1);1089static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR,1090 show_sf2_point, store_sf2_point, 1, 2);1091static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR,1092 show_sf2_point, store_sf2_point, 2, 2);1093static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR,1094 show_sf2_point, store_sf2_point, 3, 2);1095static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR,1096 show_sf2_point, store_sf2_point, 4, 2);1097static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR,1098 show_sf2_point, store_sf2_point, 1, 3);1099static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR,1100 show_sf2_point, store_sf2_point, 2, 3);1101static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR,1102 show_sf2_point, store_sf2_point, 3, 3);1103static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR,1104 show_sf2_point, store_sf2_point, 4, 3);1105static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR,1106 show_sf2_level, store_sf2_level, 1, 1);1107static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR,1108 show_sf2_level, store_sf2_level, 2, 1);1109static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR,1110 show_sf2_level, store_sf2_level, 3, 1);1111static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR,1112 show_sf2_level, store_sf2_level, 1, 2);1113static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR,1114 show_sf2_level, store_sf2_level, 2, 2);1115static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR,1116 show_sf2_level, store_sf2_level, 3, 2);1117static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR,1118 show_sf2_level, store_sf2_level, 1, 3);1119static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR,1120 show_sf2_level, store_sf2_level, 2, 3);1121static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR,1122 show_sf2_level, store_sf2_level, 3, 3);1123static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1);1124static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2);1125static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3);1126static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4);1127static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5);1128static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6);1129static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7);1130static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,1131 show_fan_min, store_fan_min, 1);1132static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,1133 show_fan_min, store_fan_min, 2);1134static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,1135 show_fan_min, store_fan_min, 3);1136static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,1137 show_fan_min, store_fan_min, 4);1138static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO,1139 show_fan_min, store_fan_min, 5);1140static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO,1141 show_fan_min, store_fan_min, 6);1142static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO,1143 show_fan_min, store_fan_min, 7);1144static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO,1145 show_fan_div, store_fan_div, 1);1146static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO,1147 show_fan_div, store_fan_div, 2);1148static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO,1149 show_fan_div, store_fan_div, 3);1150static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO,1151 show_fan_div, store_fan_div, 4);1152static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO,1153 show_fan_div, store_fan_div, 5);1154static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO,1155 show_fan_div, store_fan_div, 6);1156static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO,1157 show_fan_div, store_fan_div, 7);1158 1159static struct attribute *w83792d_attributes_fan[4][7] = {1160 {1161 &sensor_dev_attr_fan4_input.dev_attr.attr,1162 &sensor_dev_attr_fan4_min.dev_attr.attr,1163 &sensor_dev_attr_fan4_div.dev_attr.attr,1164 &sensor_dev_attr_fan4_alarm.dev_attr.attr,1165 &sensor_dev_attr_pwm4.dev_attr.attr,1166 &sensor_dev_attr_pwm4_mode.dev_attr.attr,1167 NULL1168 }, {1169 &sensor_dev_attr_fan5_input.dev_attr.attr,1170 &sensor_dev_attr_fan5_min.dev_attr.attr,1171 &sensor_dev_attr_fan5_div.dev_attr.attr,1172 &sensor_dev_attr_fan5_alarm.dev_attr.attr,1173 &sensor_dev_attr_pwm5.dev_attr.attr,1174 &sensor_dev_attr_pwm5_mode.dev_attr.attr,1175 NULL1176 }, {1177 &sensor_dev_attr_fan6_input.dev_attr.attr,1178 &sensor_dev_attr_fan6_min.dev_attr.attr,1179 &sensor_dev_attr_fan6_div.dev_attr.attr,1180 &sensor_dev_attr_fan6_alarm.dev_attr.attr,1181 &sensor_dev_attr_pwm6.dev_attr.attr,1182 &sensor_dev_attr_pwm6_mode.dev_attr.attr,1183 NULL1184 }, {1185 &sensor_dev_attr_fan7_input.dev_attr.attr,1186 &sensor_dev_attr_fan7_min.dev_attr.attr,1187 &sensor_dev_attr_fan7_div.dev_attr.attr,1188 &sensor_dev_attr_fan7_alarm.dev_attr.attr,1189 &sensor_dev_attr_pwm7.dev_attr.attr,1190 &sensor_dev_attr_pwm7_mode.dev_attr.attr,1191 NULL1192 }1193};1194 1195static const struct attribute_group w83792d_group_fan[4] = {1196 { .attrs = w83792d_attributes_fan[0] },1197 { .attrs = w83792d_attributes_fan[1] },1198 { .attrs = w83792d_attributes_fan[2] },1199 { .attrs = w83792d_attributes_fan[3] },1200};1201 1202static struct attribute *w83792d_attributes[] = {1203 &sensor_dev_attr_in0_input.dev_attr.attr,1204 &sensor_dev_attr_in0_max.dev_attr.attr,1205 &sensor_dev_attr_in0_min.dev_attr.attr,1206 &sensor_dev_attr_in1_input.dev_attr.attr,1207 &sensor_dev_attr_in1_max.dev_attr.attr,1208 &sensor_dev_attr_in1_min.dev_attr.attr,1209 &sensor_dev_attr_in2_input.dev_attr.attr,1210 &sensor_dev_attr_in2_max.dev_attr.attr,1211 &sensor_dev_attr_in2_min.dev_attr.attr,1212 &sensor_dev_attr_in3_input.dev_attr.attr,1213 &sensor_dev_attr_in3_max.dev_attr.attr,1214 &sensor_dev_attr_in3_min.dev_attr.attr,1215 &sensor_dev_attr_in4_input.dev_attr.attr,1216 &sensor_dev_attr_in4_max.dev_attr.attr,1217 &sensor_dev_attr_in4_min.dev_attr.attr,1218 &sensor_dev_attr_in5_input.dev_attr.attr,1219 &sensor_dev_attr_in5_max.dev_attr.attr,1220 &sensor_dev_attr_in5_min.dev_attr.attr,1221 &sensor_dev_attr_in6_input.dev_attr.attr,1222 &sensor_dev_attr_in6_max.dev_attr.attr,1223 &sensor_dev_attr_in6_min.dev_attr.attr,1224 &sensor_dev_attr_in7_input.dev_attr.attr,1225 &sensor_dev_attr_in7_max.dev_attr.attr,1226 &sensor_dev_attr_in7_min.dev_attr.attr,1227 &sensor_dev_attr_in8_input.dev_attr.attr,1228 &sensor_dev_attr_in8_max.dev_attr.attr,1229 &sensor_dev_attr_in8_min.dev_attr.attr,1230 &sensor_dev_attr_in0_alarm.dev_attr.attr,1231 &sensor_dev_attr_in1_alarm.dev_attr.attr,1232 &sensor_dev_attr_in2_alarm.dev_attr.attr,1233 &sensor_dev_attr_in3_alarm.dev_attr.attr,1234 &sensor_dev_attr_in4_alarm.dev_attr.attr,1235 &sensor_dev_attr_in5_alarm.dev_attr.attr,1236 &sensor_dev_attr_in6_alarm.dev_attr.attr,1237 &sensor_dev_attr_in7_alarm.dev_attr.attr,1238 &sensor_dev_attr_in8_alarm.dev_attr.attr,1239 &sensor_dev_attr_temp1_input.dev_attr.attr,1240 &sensor_dev_attr_temp1_max.dev_attr.attr,1241 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,1242 &sensor_dev_attr_temp2_input.dev_attr.attr,1243 &sensor_dev_attr_temp2_max.dev_attr.attr,1244 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,1245 &sensor_dev_attr_temp3_input.dev_attr.attr,1246 &sensor_dev_attr_temp3_max.dev_attr.attr,1247 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,1248 &sensor_dev_attr_temp1_alarm.dev_attr.attr,1249 &sensor_dev_attr_temp2_alarm.dev_attr.attr,1250 &sensor_dev_attr_temp3_alarm.dev_attr.attr,1251 &sensor_dev_attr_pwm1.dev_attr.attr,1252 &sensor_dev_attr_pwm1_mode.dev_attr.attr,1253 &sensor_dev_attr_pwm1_enable.dev_attr.attr,1254 &sensor_dev_attr_pwm2.dev_attr.attr,1255 &sensor_dev_attr_pwm2_mode.dev_attr.attr,1256 &sensor_dev_attr_pwm2_enable.dev_attr.attr,1257 &sensor_dev_attr_pwm3.dev_attr.attr,1258 &sensor_dev_attr_pwm3_mode.dev_attr.attr,1259 &sensor_dev_attr_pwm3_enable.dev_attr.attr,1260 &dev_attr_alarms.attr,1261 &dev_attr_intrusion0_alarm.attr,1262 &sensor_dev_attr_tolerance1.dev_attr.attr,1263 &sensor_dev_attr_thermal_cruise1.dev_attr.attr,1264 &sensor_dev_attr_tolerance2.dev_attr.attr,1265 &sensor_dev_attr_thermal_cruise2.dev_attr.attr,1266 &sensor_dev_attr_tolerance3.dev_attr.attr,1267 &sensor_dev_attr_thermal_cruise3.dev_attr.attr,1268 &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr,1269 &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr,1270 &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr,1271 &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr,1272 &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr,1273 &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr,1274 &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr,1275 &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr,1276 &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr,1277 &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr,1278 &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr,1279 &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr,1280 &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr,1281 &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr,1282 &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr,1283 &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr,1284 &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr,1285 &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr,1286 &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr,1287 &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr,1288 &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr,1289 &sensor_dev_attr_fan1_input.dev_attr.attr,1290 &sensor_dev_attr_fan1_min.dev_attr.attr,1291 &sensor_dev_attr_fan1_div.dev_attr.attr,1292 &sensor_dev_attr_fan1_alarm.dev_attr.attr,1293 &sensor_dev_attr_fan2_input.dev_attr.attr,1294 &sensor_dev_attr_fan2_min.dev_attr.attr,1295 &sensor_dev_attr_fan2_div.dev_attr.attr,1296 &sensor_dev_attr_fan2_alarm.dev_attr.attr,1297 &sensor_dev_attr_fan3_input.dev_attr.attr,1298 &sensor_dev_attr_fan3_min.dev_attr.attr,1299 &sensor_dev_attr_fan3_div.dev_attr.attr,1300 &sensor_dev_attr_fan3_alarm.dev_attr.attr,1301 NULL1302};1303 1304static const struct attribute_group w83792d_group = {1305 .attrs = w83792d_attributes,1306};1307 1308/* Return 0 if detection is successful, -ENODEV otherwise */1309static int1310w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)1311{1312 struct i2c_adapter *adapter = client->adapter;1313 int val1, val2;1314 unsigned short address = client->addr;1315 1316 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))1317 return -ENODEV;1318 1319 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80)1320 return -ENODEV;1321 1322 val1 = w83792d_read_value(client, W83792D_REG_BANK);1323 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);1324 /* Check for Winbond ID if in bank 0 */1325 if (!(val1 & 0x07)) { /* is Bank0 */1326 if ((!(val1 & 0x80) && val2 != 0xa3) ||1327 ((val1 & 0x80) && val2 != 0x5c))1328 return -ENODEV;1329 }1330 /*1331 * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR1332 * should match1333 */1334 if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address)1335 return -ENODEV;1336 1337 /* Put it now into bank 0 and Vendor ID High Byte */1338 w83792d_write_value(client,1339 W83792D_REG_BANK,1340 (w83792d_read_value(client,1341 W83792D_REG_BANK) & 0x78) | 0x80);1342 1343 /* Determine the chip type. */1344 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID);1345 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);1346 if (val1 != 0x7a || val2 != 0x5c)1347 return -ENODEV;1348 1349 strscpy(info->type, "w83792d", I2C_NAME_SIZE);1350 1351 return 0;1352}1353 1354static int1355w83792d_probe(struct i2c_client *client)1356{1357 struct w83792d_data *data;1358 struct device *dev = &client->dev;1359 int i, val1, err;1360 1361 data = devm_kzalloc(dev, sizeof(struct w83792d_data), GFP_KERNEL);1362 if (!data)1363 return -ENOMEM;1364 1365 i2c_set_clientdata(client, data);1366 mutex_init(&data->update_lock);1367 1368 err = w83792d_detect_subclients(client);1369 if (err)1370 return err;1371 1372 /* Initialize the chip */1373 w83792d_init_client(client);1374 1375 /* A few vars need to be filled upon startup */1376 for (i = 0; i < 7; i++) {1377 data->fan_min[i] = w83792d_read_value(client,1378 W83792D_REG_FAN_MIN[i]);1379 }1380 1381 /* Register sysfs hooks */1382 err = sysfs_create_group(&dev->kobj, &w83792d_group);1383 if (err)1384 return err;1385 1386 /*1387 * Read GPIO enable register to check if pins for fan 4,5 are used as1388 * GPIO1389 */1390 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);1391 1392 if (!(val1 & 0x40)) {1393 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[0]);1394 if (err)1395 goto exit_remove_files;1396 }1397 1398 if (!(val1 & 0x20)) {1399 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[1]);1400 if (err)1401 goto exit_remove_files;1402 }1403 1404 val1 = w83792d_read_value(client, W83792D_REG_PIN);1405 if (val1 & 0x40) {1406 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[2]);1407 if (err)1408 goto exit_remove_files;1409 }1410 1411 if (val1 & 0x04) {1412 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[3]);1413 if (err)1414 goto exit_remove_files;1415 }1416 1417 data->hwmon_dev = hwmon_device_register(dev);1418 if (IS_ERR(data->hwmon_dev)) {1419 err = PTR_ERR(data->hwmon_dev);1420 goto exit_remove_files;1421 }1422 1423 return 0;1424 1425exit_remove_files:1426 sysfs_remove_group(&dev->kobj, &w83792d_group);1427 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)1428 sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]);1429 return err;1430}1431 1432static void1433w83792d_remove(struct i2c_client *client)1434{1435 struct w83792d_data *data = i2c_get_clientdata(client);1436 int i;1437 1438 hwmon_device_unregister(data->hwmon_dev);1439 sysfs_remove_group(&client->dev.kobj, &w83792d_group);1440 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)1441 sysfs_remove_group(&client->dev.kobj,1442 &w83792d_group_fan[i]);1443}1444 1445static void1446w83792d_init_client(struct i2c_client *client)1447{1448 u8 temp2_cfg, temp3_cfg, vid_in_b;1449 1450 if (init)1451 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);1452 1453 /*1454 * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):1455 * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of1456 * vin0/vin1 can be modified by user;1457 * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of1458 * vin0/vin1 auto-updated, can NOT be modified by user.1459 */1460 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);1461 w83792d_write_value(client, W83792D_REG_VID_IN_B,1462 vid_in_b & 0xbf);1463 1464 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG);1465 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG);1466 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG,1467 temp2_cfg & 0xe6);1468 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG,1469 temp3_cfg & 0xe6);1470 1471 /* Start monitoring */1472 w83792d_write_value(client, W83792D_REG_CONFIG,1473 (w83792d_read_value(client,1474 W83792D_REG_CONFIG) & 0xf7)1475 | 0x01);1476}1477 1478static struct w83792d_data *w83792d_update_device(struct device *dev)1479{1480 struct i2c_client *client = to_i2c_client(dev);1481 struct w83792d_data *data = i2c_get_clientdata(client);1482 int i, j;1483 u8 reg_array_tmp[4], reg_tmp;1484 1485 mutex_lock(&data->update_lock);1486 1487 if (time_after1488 (jiffies - data->last_updated, (unsigned long) (HZ * 3))1489 || time_before(jiffies, data->last_updated) || !data->valid) {1490 dev_dbg(dev, "Starting device update\n");1491 1492 /* Update the voltages measured value and limits */1493 for (i = 0; i < 9; i++) {1494 data->in[i] = w83792d_read_value(client,1495 W83792D_REG_IN[i]);1496 data->in_max[i] = w83792d_read_value(client,1497 W83792D_REG_IN_MAX[i]);1498 data->in_min[i] = w83792d_read_value(client,1499 W83792D_REG_IN_MIN[i]);1500 }1501 data->low_bits = w83792d_read_value(client,1502 W83792D_REG_LOW_BITS1) +1503 (w83792d_read_value(client,1504 W83792D_REG_LOW_BITS2) << 8);1505 for (i = 0; i < 7; i++) {1506 /* Update the Fan measured value and limits */1507 data->fan[i] = w83792d_read_value(client,1508 W83792D_REG_FAN[i]);1509 data->fan_min[i] = w83792d_read_value(client,1510 W83792D_REG_FAN_MIN[i]);1511 /* Update the PWM/DC Value and PWM/DC flag */1512 data->pwm[i] = w83792d_read_value(client,1513 W83792D_REG_PWM[i]);1514 }1515 1516 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG);1517 data->pwmenable[0] = reg_tmp & 0x03;1518 data->pwmenable[1] = (reg_tmp>>2) & 0x03;1519 data->pwmenable[2] = (reg_tmp>>4) & 0x03;1520 1521 for (i = 0; i < 3; i++) {1522 data->temp1[i] = w83792d_read_value(client,1523 W83792D_REG_TEMP1[i]);1524 }1525 for (i = 0; i < 2; i++) {1526 for (j = 0; j < 6; j++) {1527 data->temp_add[i][j] = w83792d_read_value(1528 client, W83792D_REG_TEMP_ADD[i][j]);1529 }1530 }1531 1532 /* Update the Fan Divisor */1533 for (i = 0; i < 4; i++) {1534 reg_array_tmp[i] = w83792d_read_value(client,1535 W83792D_REG_FAN_DIV[i]);1536 }1537 data->fan_div[0] = reg_array_tmp[0] & 0x07;1538 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07;1539 data->fan_div[2] = reg_array_tmp[1] & 0x07;1540 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07;1541 data->fan_div[4] = reg_array_tmp[2] & 0x07;1542 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07;1543 data->fan_div[6] = reg_array_tmp[3] & 0x07;1544 1545 /* Update the realtime status */1546 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) +1547 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) +1548 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16);1549 1550 /* Update CaseOpen status and it's CLR_CHS. */1551 data->chassis = (w83792d_read_value(client,1552 W83792D_REG_CHASSIS) >> 5) & 0x01;1553 1554 /* Update Thermal Cruise/Smart Fan I target value */1555 for (i = 0; i < 3; i++) {1556 data->thermal_cruise[i] =1557 w83792d_read_value(client,1558 W83792D_REG_THERMAL[i]) & 0x7f;1559 }1560 1561 /* Update Smart Fan I/II tolerance */1562 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]);1563 data->tolerance[0] = reg_tmp & 0x0f;1564 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;1565 data->tolerance[2] = w83792d_read_value(client,1566 W83792D_REG_TOLERANCE[2]) & 0x0f;1567 1568 /* Update Smart Fan II temperature points */1569 for (i = 0; i < 3; i++) {1570 for (j = 0; j < 4; j++) {1571 data->sf2_points[i][j]1572 = w83792d_read_value(client,1573 W83792D_REG_POINTS[i][j]) & 0x7f;1574 }1575 }1576 1577 /* Update Smart Fan II duty cycle levels */1578 for (i = 0; i < 3; i++) {1579 reg_tmp = w83792d_read_value(client,1580 W83792D_REG_LEVELS[i][0]);1581 data->sf2_levels[i][0] = reg_tmp & 0x0f;1582 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f;1583 reg_tmp = w83792d_read_value(client,1584 W83792D_REG_LEVELS[i][2]);1585 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f;1586 data->sf2_levels[i][3] = reg_tmp & 0x0f;1587 }1588 1589 data->last_updated = jiffies;1590 data->valid = true;1591 }1592 1593 mutex_unlock(&data->update_lock);1594 1595#ifdef DEBUG1596 w83792d_print_debug(data, dev);1597#endif1598 1599 return data;1600}1601 1602#ifdef DEBUG1603static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)1604{1605 int i = 0, j = 0;1606 dev_dbg(dev, "==========The following is the debug message...========\n");1607 dev_dbg(dev, "9 set of Voltages: =====>\n");1608 for (i = 0; i < 9; i++) {1609 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);1610 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);1611 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);1612 }1613 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);1614 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);1615 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");1616 for (i = 0; i < 7; i++) {1617 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);1618 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);1619 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]);1620 }1621 dev_dbg(dev, "3 set of Temperatures: =====>\n");1622 for (i = 0; i < 3; i++)1623 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);1624 1625 for (i = 0; i < 2; i++) {1626 for (j = 0; j < 6; j++) {1627 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,1628 data->temp_add[i][j]);1629 }1630 }1631 1632 for (i = 0; i < 7; i++)1633 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);1634 1635 dev_dbg(dev, "==========End of the debug message...================\n");1636 dev_dbg(dev, "\n");1637}1638#endif1639 1640module_i2c_driver(w83792d_driver);1641 1642MODULE_AUTHOR("Shane Huang (Winbond)");1643MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");1644MODULE_LICENSE("GPL");1645